diff --git a/assets/tools_schema.json b/assets/tools_schema.json
index c35ace8..7699bd0 100644
--- a/assets/tools_schema.json
+++ b/assets/tools_schema.json
@@ -23,11 +23,11 @@
     "parameters": {"type": "object", "properties": {
       "path": {"type": "string", "description": "文件路径。"},
       "old_content": {"type": "string", "description": "文件中需要被替换的原始文本块（需确保唯一性）。"},
-      "new_content": {"type": "string", "description": "替换后的新文本内容。"}}, "required": ["path", "old_content", "new_content"]}
+      "new_content": {"type": "string", "description": "替换后的新文本内容。支持 {{file:路径:起始行:结束行}} 语法引用文件内容，写入前自动展开。"}}, "required": ["path", "old_content", "new_content"]}
   }},
   {"type": "function", "function": {
     "name": "file_write",
-    "description": "用于文件的新建、全量覆盖或追加写入。对于精细的代码修改，应优先使用 file_patch。注意：要写入的内容必须放在回复正文的 <file_content> 标签或代码块中。",
+    "description": "用于文件的新建、全量覆盖或追加写入。对于精细的代码修改，应优先使用 file_patch。注意：要写入的内容必须放在回复正文的 <file_content> 标签或代码块中。写入内容支持 {{file:路径:起始行:结束行}} 语法引用文件片段，写入前自动展开。",
     "parameters": {"type": "object", "properties": {
       "path": {"type": "string", "description": "文件路径。"},
       "mode": {"type": "string", "enum": ["overwrite", "append", "prepend"], "description": "写入模式覆盖、追加或在开头追加。", "default": "overwrite"}}, "required": ["path"]}
@@ -44,7 +44,7 @@
     "name": "web_execute_js",
     "description": "万能网页操控工具。通过执行 JavaScript 脚本实现对浏览器的完全控制（如点击、滚动、提取特定数据）。鼓励在有把握情况下（记忆中有selector/做法等）精准使用以减少web_scan调用。执行结果可选择保存到本地文件进行后续分析。",
     "parameters": {"type": "object", "properties": {
-      "script": {"type": "string", "description": "要执行的 JavaScript 代码或JS文件路径。"},
+      "script": {"type": "string", "description": "要执行的代码或JS文件路径。"},
       "save_to_file": {"type": "string", "description": "结果存文件，适合返回值较长时。不支持await。", "default": ""},
       "no_monitor": {"type": "boolean", "description": "跳过页面变更监控，省2-3秒。仅在纯读取信息时设置，页面操作时不要设置。", "default": false}}, "required": ["script"]}
   }},
diff --git a/ga.py b/ga.py
index c023666..ff66bd7 100644
--- a/ga.py
+++ b/ga.py
@@ -179,13 +179,26 @@ def web_execute_js(script, switch_tab_id=None, no_monitor=False):
     global driver
     try:
         if driver is None: first_init_driver()
-        if len(driver.get_all_sessions()) == 0:
-            return {"status": "error", "msg": "没有可用的浏览器标签页，查L3记忆分析原因。"}
+        if len(driver.get_all_sessions()) == 0: return {"status": "error", "msg": "没有可用的浏览器标签页，查L3记忆分析原因。"}
         if switch_tab_id: driver.default_session_id = switch_tab_id
         result = execute_js_rich(script, driver, no_monitor=no_monitor)
         return result
     except Exception as e:
         return {"status": "error", "msg": format_error(e)}
+
+def expand_file_refs(text, base_dir=None):
+    """展开文本中的 {{file:路径:起始行:结束行}} 引用为实际文件内容。
+    可与普通文本混排。展开失败抛 ValueError。
+    base_dir: 相对路径的基准目录，默认为进程 cwd。"""
+    pattern = r'\{\{file:(.+?):(\d+):(\d+)\}\}'
+    def replacer(match):
+        path, start, end = match.group(1), int(match.group(2)), int(match.group(3))
+        path = os.path.abspath(os.path.join(base_dir or '.', path))
+        if not os.path.isfile(path): raise ValueError(f"引用文件不存在: {path}")
+        with open(path, 'r', encoding='utf-8') as f: lines = f.readlines()
+        if start < 1 or end > len(lines) or start > end: raise ValueError(f"行号越界: {path} 共{len(lines)}行, 请求{start}-{end}")
+        return ''.join(lines[start-1:end])
+    return re.sub(pattern, replacer, text)
     
 def file_patch(path: str, old_content: str, new_content: str):
     """在文件中寻找唯一的 old_content 块并替换为 new_content。
@@ -343,6 +356,10 @@ class GenericAgentHandler(BaseHandler):
         yield f"[Action] Patching file: {path}\n"
         old_content = args.get("old_content", "")
         new_content = args.get("new_content", "")
+        try: new_content = expand_file_refs(new_content, base_dir=self.cwd)
+        except ValueError as e:
+            yield f"[Status] ❌ 引用展开失败: {e}\n"
+            return StepOutcome({"status": "error", "msg": str(e)}, next_prompt="\n")
         result = file_patch(path, old_content, new_content)
         yield f"\n{smart_format(result)}\n"
         next_prompt = self._get_anchor_prompt()
@@ -368,8 +385,8 @@ class GenericAgentHandler(BaseHandler):
         if not blocks:
             yield f"[Status] ❌ 失败: 未在回复中找到代码块内容\n"
             return StepOutcome({"status": "error", "msg": "No content found, if you want a blank, you should use code_run"}, next_prompt="\n")
-        new_content = blocks
         try:
+            new_content = expand_file_refs(blocks, base_dir=self.cwd)
             if mode == "prepend":
                 old = open(path, 'r', encoding="utf-8").read() if os.path.exists(path) else ""
                 open(path, 'w', encoding="utf-8").write(new_content + old)